The phrase "rendered himself" is correct and can be used in written English.
This phrase is generally used when someone has provided a service or rendered a service to someone or something. For example, "The local mechanic rendered himself invaluable when he fixed the old car."
"It could mean he's rendered himself unelectable," Mr. Saunders said.
The Clinton campaign celebrated a premature victory, because surely Trump had rendered himself unelectable.
A FEW weeks before the opening of his first solo show, "Herald," at the Marlborough Gallery in Chelsea, Rashaad Newsome rendered himself as a coat of arms.
And every time someone rendered himself or herself human, he said, "it was an argument against whatever racial simplicities you've constructed in your mind".
"I think he rendered himself incapable of opening the archive while he is in Russia," Gellman told US radio network NPR.
That's the position Attorney General Jeff Sessions is in, and the reason is simple: By recusing himself from the investigation into the Russia scandal, he has rendered himself unable to aid President Trump in obstructing justice.
His escape was to render himself unrecognizable.
What Smith has done is render himself critic-proof.
In LaBute's story, however, Carr doesn't gouge out his eyes; he renders himself psychologically blind by cutting himself off from his feelings.
Schiele, the youngest of the group, revealed his vulnerability more deeply, rendering himself, often nude and exposed, as subject to the existential crises of modern life.
He isn't Gordon Gekko, who engineers his greed into a social good, as if rendering himself a disinterested servant of abstract principle; Belfort loves what he does.
