give (someone or oneself) a different appearance in order to conceal one's identity.

(a)  

a person who pretends to be someone else in order to deceive others, especially for fraudulent gain.

(a)  

make full use of and derive benefit from (a resource).

or

use (a situation or person) in an unfair or selfish way.

(a)  

a formal discussion on a particular topic in a public meeting or legislative assembly, in which opposing arguments are put forward.

(a)  

build or form (something) again after it has been damaged or destroyed.

(a)