unilateralist

noun
1
a person who believes in or supports unilateral action, especially the policy of getting rid of nuclear weapons without waiting for other countries to do the same
یک‌جانبه‌گرا, طرفدار اقدام یک‌جانبه, پیرو سیاست یک‌جانبه‌گرایی
adjective
1
believing in or supporting unilateral action, especially the policy of getting rid of nuclear weapons without waiting for other countries to do the same; based on this belief
یک‌جانبه‌گرا, حامی عمل یک‌جانبه, طرفدار کنش یک‌جانبه