Ask nonthreatening questions such as, ”Is that OK"? Sitting side by side with someone is less intimidating than if you remain seated behind your desk, especially if you hold a position of authority.Keep in mind that body language is a major part of any communication. What you intend to be enthusiasm could be perceived as aggression.But, how difficult a person is for you to deal with depends a lot on such factors as your self-esteem, your self-confidence, how closely you must work with him on a daily basis, and your professional courage.
You can team together to address the behavior or inform management to get help addressing the employee issue before it spirals into negativity. If you are yelled at, insulted, and put down, you work with a bully.
Dealing with difficult people is much harder if the individual is publicly undermining your professional credibility or attacking you personally like a bully. If you have felt psychologically or physically threatened at work, you work with a bully.
Use a soft, gentle voice with inflection that goes up at the end of your sentence so you'll sound less demanding. Be aware of relative height positions during conversations.
Speak slowly and pause during the conversation to seek feedback. You'll be perceived as more intimidating if you're standing while others are sitting.
Keep your distance and don't invade other people's personal space.