I saw this video while in 1:19 Sec I have heard so:
"I happen to be pro-life"
What does it mean? I have tried to find it on some dictionaries (Cambridge, Oxford and Merriam Webster) and I didn't find the meaning.
It's basically a less emphatic way of saying that someone is something. In other words:
He happens to be the sheriff in this town.
is more or less the same as:
He is the sheriff in this town.
She happens to be the dean of the college.
is pretty much the same as:
She is the dean of the college.
However, using happens to be instead of is implies some sort of coincidence or irony or causation. I wouldn't use happens to be instead of is unless the context called for it. For example:
"Wow, that guy just drove by fast!"
Well, he happens to be the town sheriff. I don't think he's worried about getting a speeding ticket.
"I see her taking the elevator up to the top floor every morning."
Well, she happens to be the dean of the college. Her office is up there.