front man

noun
  1. 1

    A person acting as the public face of some other, covert group.

  2. 2

    Striker, attacker, forward.

  3. 3

    The lead singer in a musical group.

    โ€œPete Doherty is the front man of the Libertines.โ€

Source: https://en.wiktionary.org/wiki/front%20man