What is a kicker in football

In different sport with ball there is a player who is called a kicker in slang. If we try to define what is a kicker in soccer, then all players will fit this definition, because even the defenders hitting goals sometimes.

When delving deeper into its meaning, fans are often called so the strikers with excellent hitting power. What does kicker mean in football in American slang? This is a specially appointed athlete with the best accuracy.