What is the meaning of the word "man"?

Definitions:

a male person who plays a significant role in the life of a particular person, such as a husband or lover or boyfriend noun
- They took good care of their man, starting with a homecooked meal.
a manservant who acts as a personal attendant to his employer noun
- Jeeves was Bertie Wooster's man
an adult human who is male noun
- There was a man eating a taco in front of the store.
an adult male person who has a manly or masculine character noun
- My parents tried to insist that the army will make a man of me.
provide with workers verb
- We cannot man all the desks.
the generic use of the word to refer to any human being noun
- It was a large step for a man, and a giant leap for mankind.