ғайр: except
Ғайр аз ман каси дигар набуд.
There was nobody else except for me.
Ғайр аз ту ҳама рафтанд.
Except for you everybody went.
Bonus:
ғайри- is a prefix meaning “un-“, or “the opposite of”, for example –
ғайриимкон: impossible
ғайриоддӣ: extraordinary (not ordinary)
ғайриқонун: unlawful