Used as an intensifier for actions causing harm or detriment to someone / Used to indicate that an action normally beneficial may be performed in a way that causes harm or detriment to someone.

some person.

A partially specified but unnamed person. / an important person

The possessive adjective for someone.

someone is / someone has

(MLE) This is what (the named person) said or did; used in recounting events, etc.

plural of someone

(idiomatic) Being someone's liability or responsibility; with which someone is lumbered. / (idiomatic) Available to be used by someone; in someone's possession.

(UK, Ireland, New England, Newfoundland, Australia, New Zealand) An exclamation of encouragement or congratulation: well done. / (Australia, New Zealand) Used to express thanks.

(idiomatic, mostly used conditionally) in someone's situation.