The sect does not accept converts and banishes anyone who marries outside the faith.

Some religions, such as the Druze and some Zoroastrians, do not accept converts at all.

Islam accept converts, and spreading Dawah to other religious adherents including Jews.

Therefore, they do not even accept converts into their religion.

Sikhism is not known to openly proselytize, but accepts converts.

They neither accept converts nor recognize conversion from their religion to another.

The church accepted Jewish converts, even as priests and nuns, and some of them were killed in the Shoah.

Judaism accepts converts, but has no explicit missionaries as such since the end of the Second Temple era.

They agreed at that time that they would not accept converts.

All mainstream forms of Judaism today are open to sincere converts, with most subgroups accepting converts by the process accepted within the group.