atacante

adj. aggressive, hostile; bold, assertive; forceful

n. aggressor

adj. assailant, attacker, assaulter; lineman; forward

n. assailant, attacker, assaulter; lineman; forward

= assailant.
Ex: If the worst comes to the worst and you are attacked, try to escape rather than fight back, especially if you believe that your assailant may be armed.