infighter

/ˈɪnˌfaɪtər/
noun
  1. A person who is skilled at fighting or competing in close quarters, especially in boxing or martial arts.
    • The boxer was known as a tough infighter who could take hits and deliver powerful punches up close.
    • In mixed martial arts, an infighter often uses clinch techniques to control the opponent.
    • The young fighter trained to become an infighter, focusing on short hooks and uppercuts.
  2. A person who engages in intense, often secretive competition or conflict within an organization or group.
    • The company's internal politics turned him into a skilled infighter, always maneuvering for advantage.
    • As a political infighter, she knew how to build alliances and undermine her rivals without being obvious.
    • He was a ruthless infighter in the office, always ready to take credit for others' work.
Antonyms
What does "infighter" mean? | whatsthatwordmean | whatsthatwordmean