Yes! He is your uncle.
The word for a mother's brother is "uncle." In familial terms, an uncle is typically a male relative who is the brother of one of your parents. This relationship is part of the extended family structure and is significant in many cultures.
brother
Mothers brother ( uncle ) = amoo
uncle
Your Uncle.
Your mother's son is your brother or your half brother.
A cousin brother means , the son of the father or mothers , brother or sister.
papu
That would be an uncle.
mamo
your uncle
if its fathers brother then he is called Chacha in hindi. If its mothers brother then he is called Mama. What about mothers sisters husband?