The term 'threatening one' can be summarized as a menacer, which is a 7-letter word. A menacer is someone who uses threats or intimidation to gain power or control over another person or situation. This type of behavior is often seen in criminal activities such as extortion, blackmail, and other forms of coercion. Menacers are also known to use physical force or violence to achieve their goals. In some cases, they may even resort to psychological manipulation or emotional abuse. In any case, a menacer is someone who uses threats or intimidation to gain power or control over another person or situation.