word classes

[Unregistered]

please could you help me , i know this is really simple but, what word class does 'have' come under

[Snowcake]

a verb as in:

I have (got) a dog.
I had my friend run the errands.

an auxiliary as in:

I have watched the movie recently.
We will have finished it by the time stipulated.

a noun as in:

the have (a rich and wealthy person)