Question

some politicians on the right are already looking to the future without the guiding hand of the man who styled himself il cavaliere. in this sentence, styled means: protected against a challenge or attack designated by an identifying term estimated the worth of completed or carried out

Explanation:

In the context, "styled himself" means he gave himself a particular name or title. The closest meaning among the options is being designated by an identifying term.

Answer:

designated by an identifying term