The word "biri" can be translated from Turkish to English as "one", "a person", or "individual". However, there are several synonyms that can be used to replace this word, depending on the context. One possible synonym is "man" or "woman", which refers to a specific gender. Another synonym is "someone", which is a more casual and informal way to refer to a person. Other synonyms including "individual", "personage", "soul", "self", "character", "being", and "creature". Each of these synonyms carries its own nuances and connotations, so it is important to choose the right word for the situation in order to effectively convey the intended meaning.