znawca

He played the role of gnarled old pro rather well.

But to his right in the gate, he faces the old pros of the class.

Yes, but by this time I was an old pro.

Not for the first time, the old pros took over.

An old pro, he settled back and let us do the work.

Two old pros keep doing their best to make sure that one won't steal a scene from the other.

Many of the traders on the street are old pros by now.

I'd say I'm just an old pro trying to do a good job.

He was probably an old pro, but I gave him no chance to prove it.

"He's got to be the old pro who signed onto a new agenda."