an enemy or opponent Englisch:

He saw her as his main adversary within the company.

You are your biggest foe from all the people.

Julie is my greatest foe. We've hated each other since childhood.

Life is full of friends and foes.

His foes immediately expressed fear that he will launch new attacks on them.

common foe

02:54 (Laughter) 02:57 There was no confusion about our positions, but the line between friend and foe was becoming blurred.

Man is a more dangerous foe to man than the elements of nature or animals in the wild.

That shan't happen again, Fortunatus said to himself, and they started to ride at each other again. This time, Fortunatus's spear met his foe so powerfully that he flew from his horse like a ball and lay dead on the earth.