The witness should be trust worthy Muslims.
As for the guardian of the bride, the question was not clear. if you mean that can he send his son to ask his sister for her approval to the proposing man, this is permissible.
The witness should be trust worthy Muslims.
As for the guardian of the bride, the question was not clear. if you mean that can he send his son to ask his sister for her approval to the proposing man, this is permissible.