I wouldn't pay more attention to the MBTI function descriptions I have on my site, they may disappear. Here is ENTP's third(role) function:

Deduction of authority, insubordination, protection, defense, retaliation, counterattack, hardness, upholding of the interests, strong-willed pressure from below upwards, will power, possession;

May make better sense to you, but may not make any sense at all, it's translated to English. oh well