Probably, you would correct him.
It depends on why he does it, and how you feel about it. If they have a child of their own, he/she is your half-brother or half-sister, so you wouldn't be their uncle.
The word for uncle in Hindi is "चाचा" (chacha) for father's brother and "मामा" (mama) for mother's brother.
His relationship to you is brother-in-law.
That would be an uncle.
Your mother's husband is your father. His father-in-law is your mother's father, your grandfather. Your grandfather's son is your mother's brother, and your uncle. Your uncle's daughter is your first cousin.
Your mothers brother is you maternal uncle.
Your cousin's husband is called brother-in-law, haha,just like call you sister's husband...
His uncle, Uchendu, greets him and takes him in. Okonkwo tells his uncle about what has happened, and his uncle is relieved that Okonkwo's crime is only an accident. Okonkwo is given land to work with.
uncle
Your Uncle.
well my moms uncle is my uncle too. so it would be the daughters uncle also.
Your husband and your uncle are not related to each other, although they are both related to you. Your uncle would call your husband "my niece's husband." Your husband would call your uncle "my wife's uncle."
Your brother-in-law. He would also be the uncle of your children.