He could exploit misunderstanding.

Why?

The sources do not let us enter his mind with certainty.

Ambition is one possibility.

Survival is another.

A man without his original community, caught between Ousamequin’s authority and English dependence on his skills, may have seen personal power as protection.

The most responsible answer is that motives were probably mixed.

People are rarely only victims, heroes, or opportunists.

Tisquantum had been victimized severely.

He also made choices that alarmed other Native leaders.