they

(nominative, множина, однина, іноді, third person, зазвичай)A group of entities previously mentioned.

Fred and Jane? They just arrived.

Dogs may bark if they want to be fed.

A single person, previously mentioned, whose gender is unknown, irrelevant, or non-binary.

(nominative, множина, однина, іноді, third person, зазвичай)One whose gender is unknown, irrelevant, or both.

Somebody requested a seat at Friday's performance but didn't say if they preferred the balcony or the floor. [The gender is unknown and irrelevant.]

I asked my friend if they wanted to come, but they said no. [The gender is known but irrelevant.]

sie, sier

они́oní, они́oní

вони́voný, вони́voný

(nominative, множина, однина, іноді, third person, зазвичай)One who is nonbinary.

There is no need to panic. Robin should be here soon and they will know what to do. [Robin is nonbinary and uses singular they.]

(indefinite, nominative, множина, pronoun, однина, іноді, third person, зазвичай)People; some people; people in general; someone, excluding the speaker.

They say it’s a good place to live.

They didn’t have computers in the old days.

man

(indefinite, nominative, множина, pronoun, однина, іноді, third person, зазвичай)The authorities, the (power) elites, the powers that be, the establishment, the man, the system: government, police, employers, etc.

They'll tax us for the air we breathe next.

They should increase our wages.

(nominative, множина, однина, іноді, third person, зазвичай)The opponents of the side which is keeping score.