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.

present participle of have someone on

(colloquial) To beat up or punish someone. / (colloquial) To put up a good fight against someone. / (colloquial) To have sexual relations with someone.

Synonym of in someone's shoes

(colloquial, sometimes humorous) To put someone in a disadvantageous position, as in an argument, such that someone doesn't have an appropriate answer or solution.

Synonym of have someone there