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

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

(informal) One's decisions or actions will bring undesirable consequences only on oneself.

Blocking someone's light, especially when someone is attempting to see a particular thing.

(idiomatic) Available to be used at any time and in any way the user sees fit.

Very grateful for something (a favor) that someone has done for one.

Fully available to help or to be of use to someone, or some organisation. / (formal) By way of introduction on first meeting another person.

For someone's sake. / According to someone's interpretation or account.

Synonym of in someone's shoes

(idiomatic, transitive) To persuade or otherwise induce someone to change his or her views or to choose a different course of action.