Akiwa ameagiza pizza, baba aligawanya burger moja kwa watoto wawili.

Literally, it is something like while/when he was in the state of having ordered pizza.

A quick breakdown:

• a-ki-wa = he
  • a subordinate marker like when/while
    • be
• a-me-agiza = he has ordered
• pizza = pizza

In natural English, you would usually render this as:

• after ordering pizza
• having ordered pizza
• once he had ordered pizza

So the idea is that the pizza-ordering happened before the action in the main clause.

It is understood to be baba.

In Swahili, if a subordinate clause comes before the main clause and no new subject is introduced, it normally refers to the same subject as the main clause. So here:

• Akiwa ameagiza pizza = when/after he had ordered pizza
• baba aligawanya... = father divided...

So the he is naturally understood as the father.

Because the two forms do not mean the same thing.

• akiagiza suggests while he is ordering or sometimes if/when he orders
• akiwa ameagiza suggests after he has already ordered

So:

• akiagiza pizza = the ordering is happening at that time
• akiwa ameagiza pizza = the ordering is already completed

That is why akiwa ameagiza fits better if the father first ordered pizza and then divided the burger.

Yes, baba already names the subject, but Swahili normally still keeps the subject marker on the verb.

So:

• baba aligawanya = literally father he-divided

This is normal Swahili grammar. The verb usually agrees with the subject even when the subject noun is stated explicitly.

Also, Swahili has no articles like a or the, so baba can mean:

• father
• the father
• sometimes a father

The context tells you which one is meant.

This shows the sequence of events.

• ameagiza = has ordered / had ordered in this context
• aligawanya = divided

The perfect in the subordinate clause shows a completed action that is already true at that point: he had already ordered the pizza. Then the main past verb tells what happened next: he divided the burger.

So the timeline is:

1. he ordered pizza
2. he divided one burger for the two children

In Swahili, numbers usually come after the noun.

So:

• burger moja = one burger
• watoto wawili = two children

This is the normal order in Swahili.

Also, the number words change to match the noun class:

• moja is the form used here with burger
• wawili matches watoto, which is a human plural noun

For comparison:

• mtoto mmoja = one child
• watoto wawili = two children

So both word order and agreement are different from English.

This is because Swahili numbers often agree with the noun class.

• watoto is a plural human noun, so two becomes wawili
• burger is a loanword and behaves like a non-human noun here, so one is simply moja

So:

• mtoto mmoja = one child
• watoto wawili = two children
• burger moja = one burger

This agreement system is very common in Swahili and is one of the things English speakers usually need time to get used to.

Here kwa shows the people receiving or involved in the dividing.

So aligawanya burger moja kwa watoto wawili means that the one burger was divided for or to the two children. In natural English, you would often translate the whole idea as:

• he divided one burger between two children

So kwa does not always map neatly onto just one English preposition. In this sentence, English between is often the smoothest translation.

They are loanwords, but yes, they can be used as ordinary nouns in Swahili.

Words like pizza and burger are commonly borrowed from English or other languages. In everyday Swahili, speakers often leave them unchanged and use normal Swahili grammar around them:

• ameagiza pizza
• burger moja

Loanwords often behave like nouns in the default non-human classes, which is why forms like moja are natural with them.

No. -agiza can have several related meanings depending on context, such as:

• order something
• request
• instruct
• command

In this sentence, because the object is pizza, the meaning is clearly order food. If the object were different, the meaning could shift. For example, with a person or an action, it might mean instruct or tell someone to do something.

The sentence is understandable and grammatical, but there are other ways a speaker might phrase it.

For example:

• Baada ya kuagiza pizza, baba aligawanya burger moja kati ya watoto wawili.
  = After ordering pizza, father divided one burger between two children.

This version uses baada ya kuagiza for a very clear after ordering meaning, and kati ya can sound more explicit for between.

So the given sentence is fine, but it is not the only natural way to express the idea.