عامل النقل هنا.

Because Arabic often uses a nominal sentence in the present tense, with no overt verb to be.

So:

• عامل النقل هنا
• literally: the transport worker here
• naturally: The transport worker is here

In Modern Standard Arabic, present-tense is / am / are is usually understood and not said.

If you wanted the past, you would normally use كان:

• كان عاملُ النقلِ هنا
• The transport worker was here

Yes. عامل النقل is an iḍāfa (construct phrase), which is a very common Arabic structure.

It consists of:

• عامل = worker
• النقل = transport / transportation

Together:

• عامل النقل = the transport worker or worker of transport

A key point about iḍāfa:

• the first noun usually does not take ال
• the second noun can make the whole phrase definite if it is definite

So even though عامل does not have ال, the whole phrase عامل النقل is definite because النقل is definite.

Because in an iḍāfa, the first noun normally does not take الـ.

So Arabic says:

• عاملُ النقلِ

not:

• العاملُ النقلِ ❌

If you put الـ on the first noun in this structure, it usually becomes ungrammatical.

This is one of the most important rules of iḍāfa:

• first noun: no ال
• second noun: may be definite or indefinite
• definiteness of the whole phrase depends largely on the second noun

Since النقل is definite, عامل النقل means the transport worker, not just a transport worker.

With full vowel endings, it would normally be:

• عامِلُ النَّقْلِ هُنا

Breakdown:

• عامِلُ = nominative, because it is the topic/subject of the nominal sentence
• النَّقْلِ = genitive, because it is the second term of the iḍāfa
• هُنا = here

So the grammatical pattern is:

• [subject/topic in nominative] + [predicate/adverbial phrase]

In careful spelling, it is written الـنقل, but in pronunciation the l of ال assimilates because ن is a sun letter.

So it is pronounced:

• an-naql

not:

• al-naql

That means the full sentence is approximately:

• ʿāmilu n-naqli hunā
• or more clearly: ʿāmilu an-naqli hunā

The written ال stays the same, but the pronunciation changes.

Here, عامل means worker.

But learners should know that عامل can have several meanings depending on context, such as:

• worker
• laborer
• employee
• sometimes even factor or agent in more abstract contexts

In this sentence, because it is followed by النقل, the meaning is clearly something like:

• transport worker
• transport employee
• worker in transportation

عامل comes from the root:

• ع م ل
• which relates to work, doing, or labor

Related words include:

• عَمَل = work
• يَعْمَل = he works
• عامِل = worker / working / agent

So recognizing the root can help you connect this word to a larger family of vocabulary.

هنا means here, and in this sentence it functions as the predicate or location phrase.

Arabic often places location expressions after the subject:

• عامل النقل هنا
• The transport worker is here

This is a very natural order.

You may also sometimes see other word orders in Arabic for emphasis, but this basic order is straightforward and common.

Normally, عامل النقل is understood as the transport worker, because it is a definite iḍāfa: the second noun النقل is definite, so the whole phrase is definite.

If you wanted a more clearly indefinite idea like a transport worker, Arabic would more naturally use something like:

• عاملُ نقلٍ هنا
• A transport worker is here

So in your sentence, the most natural reading is definite:

• The transport worker is here

It is a nominal sentence.

That means it begins with a noun phrase rather than a verb:

• عامل النقل = the transport worker
• هنا = here

Arabic has two major sentence types:

• verbal sentence: begins with a verb
• nominal sentence: begins with a noun or noun phrase

Since this one starts with عامل النقل, it is nominal.

A natural fully vocalized pronunciation would be:

• ʿāmilu n-naqli hunā

Piece by piece:

• عامِلُ = ʿā-mi-lu
• النقلِ = an-naq-li / n-naq-li
• هنا = hu-nā

A few pronunciation notes:

• ع is the consonant ʿayn, which has no exact English equivalent
• ā is a long vowel
• ق in نقل is a deep q sound, not an English k
• the n in النقل is doubled in sound because of sun-letter assimilation

Yes. هنا is invariable.

It does not change for:

• masculine vs. feminine
• singular vs. plural
• person

So you can say:

• الطالب هنا = The student is here
• الطالبة هنا = The female student is here
• الطلاب هنا = The students are here

Likewise:

• عامل النقل هنا = The transport worker is here

العامل هنا means:

• The worker is here

That is more general.

But:

• عامل النقل هنا

is more specific:

• The transport worker is here
• or The transportation worker is here

So النقل narrows down what kind of worker is meant.

Yes, literally that is exactly how the iḍāfa works:

• عامل = worker
• النقل = transport
• عامل النقل = worker of transport

But in natural English, we usually say:

• transport worker
• transportation worker
• transport employee

So the literal meaning helps you understand the grammar, while the smoother English translation is usually better in actual use.