“In this,” says Lowe, “Bismarck was an opportunist,” as he often was.
I could read that opportunist's motives as easily as if he had written them down for my instruction.
He was an opportunist, and now, he fondly imagined, was his opportunity.
He has been an opportunist rather than a dealer in general ideas.
No, Bryan is not an opportunist—not in things that really matter.