هو قائد الفريق.

In Arabic, the verb to be is usually not expressed in the present tense.

So:

• هو قائد الفريق = He is the leader of the team
• literally: he leader the-team

This is completely normal in Modern Standard Arabic.

If you wanted a past or future meaning, Arabic would use a verb:

• كان قائدَ الفريق = He was the leader of the team
• سيكون قائدَ الفريق = He will be the leader of the team

So in the present tense, Arabic often just puts the subject and the predicate next to each other.

هو means he.

In هو قائد الفريق, it is the subject of the sentence.

Arabic often allows subject pronouns to be omitted when they are already understood from a verb, but here there is no present-tense verb, so هو is normally stated if you want the sentence to mean He is the team leader.

If you only say:

• قائد الفريق

that usually means the leader of the team as a phrase, not a full sentence with he is.

So in this sentence, هو is important.

Because قائد الفريق is an iḍāfa construction, often called a construct phrase.

In an iḍāfa:

• the first noun does not take الـ
• the second noun can be definite
• the whole phrase can still be definite

So:

• قائد = leader
• الفريق = the team
• قائد الفريق = leader of the team / the team leader

Even though قائد has no الـ, the whole phrase is definite because الفريق is definite.

This is one of the most important patterns in Arabic.

Yes. Grammatically, that is exactly how Arabic is building the phrase.

• قائد = leader
• الفريق = the team
• together: قائد الفريق = leader of the team

In natural English, we often translate that as:

• the team leader
• the leader of the team

So Arabic is not using an adjective here. It is using a noun + noun structure.

الفريق has the definite article الـ, so it means the team.

That matters because in an iḍāfa, the definiteness of the second noun affects the whole phrase:

• قائد فريق = a leader of a team / a team leader
• قائد الفريق = the leader of the team / the team leader

So الفريق being definite helps make قائد الفريق definite as a whole.

It is usually pronounced approximately qāʾid.

A helpful breakdown:

• ق = q, a deeper k-like sound made farther back in the mouth
• ا after it gives a long ā
• ء is a hamza, a glottal stop, like a brief catch in the throat
• د = d

So قائد is something like:

• qaa-id

with a slight break between the two parts because of the hamza.

Not qaid as one smooth syllable.

In traditional Arabic grammar:

• هو = مبتدأ (mubtadaʾ) = the topic/subject
• قائد الفريق = خبر (khabar) = the predicate/comment about the subject

So the structure is:

• هو = he
• قائد الفريق = leader of the team

Together: He is the team leader.

Inside قائد الفريق itself, you have an iḍāfa:

• قائد = first term of the iḍāfa
• الفريق = second term of the iḍāfa

In fully vowelled formal Arabic, it would be:

• هو قائدُ الفريقِ

The endings are:

• قائدُ with -u because it is the predicate of a nominal sentence
• الفريقِ with -i because the second noun in an iḍāfa is in the genitive case

So, more literally with case vowels:

• huwa qāʾidu l-farīqi

In normal modern writing, these short vowel endings are usually not written, and in everyday speech they are often not pronounced fully.

Because that would break the iḍāfa structure.

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

So the correct form is:

• قائد الفريق

not:

• القائد الفريق

If you put الـ on the first noun, you would usually need a different structure, often with a relative phrase or other wording.

So for the team leader, Arabic naturally says:

• قائد الفريق

Yes.

If the person is female, you would say:

• هي قائدة الفريق

That means She is the team leader.

Changes:

• هو becomes هي
• قائد becomes قائدة

The rest stays the same:

• الفريق = the team

It is pronounced al-farīq.

The ف in الفريق is a moon letter, so the l of الـ is pronounced clearly:

• al-farīq

This is different from words beginning with sun letters, where the l sound assimilates.

So here you say the article normally:

• al-
• al-farīq

Usually, هو قائد الفريق is understood as He is the leader of the team or He is the team leader, because قائد الفريق is definite as an iḍāfa with a definite second noun.

If you wanted a more indefinite sense like He is a team leader, you would normally use an indefinite phrase such as:

• هو قائدُ فريقٍ

That means He is a leader of a team / He is a team leader in a more indefinite sense.

So the presence of الـ in الفريق matters a lot.