Kayla is the girl who will teach you how to swim adjective

Well, there is no adjective as a single word - if that is what you are asking for. Instead, there is an adjective clause (which serves as an adjective).

The adjective clause is:  'who will teach you.'

Explanation:

The adjective clause 'who will teach you' describes the noun girl. It's the equivalent to saying this sentence:

                                    adj.                     N

Kayla is the "teach-you-how-to-swim" girl.  

Does that make sense??

It is important to help others.
The answer probably seems like it’s “it is to help women” but it’s not necessarily that, the man says “it’s the least I can do for a fellow citizen” maybe if the man said something like “it’s the least I can do for a lady like you” it would be that answer but no, the other answers aren’t even close to being correct either.