| stranger(noun, person, relation, acquaintance, outsider) |
| acquaintance(noun, person, relation, outsider) |
| unknown(noun, adjective, person, relation, stranger) |
| worst enemy(expression, opposition, opponent, enemy, foe) |
| foe(noun, opponent, adversary, antagonist) |
| enemy(noun, opponent, adversary, foe, antagonist) |
| villain(noun, opponent, adversary, foe, antagonist) |
| adversary(noun, opponent, foe, antagonist) |
| competitor(noun, opponent, adversary, foe, antagonist) |
| immigrant(noun, person, relation, acquaintance, outsider) |
| outlander(noun, person, relation, acquaintance, outsider) |
| rival(noun, opponent, adversary, foe, antagonist) |
| bitter enemy(expression, opposition, opponent, enemy, foe) |
| bitterest enemy(expression, opposition, opponent, enemy, foe) |
| contestant(noun, opponent, adversary, foe, antagonist) |
| deadly enemy(expression, opposition, opponent, enemy, foe) |
| foreigner(noun, person, relation, acquaintance, outsider) |
| gladiator(noun, opponent, adversary, foe, antagonist) |
| newcomer(noun, person, relation, acquaintance, outsider) |
| staunch opponent(expression, opposition, opponent, enemy, foe) |