Anyone in the world does not become an expert overnight; they have also gone through the same stage that you are in now.
You have to work on emotional intelligence and learn how to become an effective communicator.
Confidence comes from preparation, and preparation will be complete only when you practice, practice, and practice.
Find out what challenges you are facing and work on that. If you are facing stage fright or are shy, then take advice from communication experts, and they can guide you in the right direction to overcome your challenges.
Here is a complete, well-structured list of ALL major types of demeanor — grouped in a way that is easy to understand and useful for communication, interviews, personality training, and workplace behavior assessments.
Positive Demeanors
These create trust, respect, and good communication.
Confident
Balanced self-belief, steady voice, strong posture.
Calm or Composed
Relaxed, stable, unshaken under pressure.
Friendly or Approachable
Warm, open, easy to talk to.
Professional
Respectful, polite, disciplined.
Enthusiastic or Energetic
Motivated, positive, inspiring.
Empathetic
Understanding emotions, supportive, good listener.
Optimistic
Positive outlook, encouraging.
Neutral Demeanors
Not strongly positive or negative.
Reserved
Quiet, observant, controlled.
Serious or Focused
Task-oriented, concentrated.
Formal
Strict, proper, polite but distant.
Objective
Emotionally neutral, fact-based.
Negative Demeanors
These can hurt communication.
Aggressive
Dominating, interrupting, forceful.
Passive
Avoids conflict, hesitant, overly quiet.
Nervous or Anxious
Fidgeting, shaky voice, uncertain.
Apathetic or Disinterested
Lack of emotion or motivation.
Defensive or Closed
Arms crossed, guarded tone, resistant to ideas.
Arrogant
Overconfident, dismissive of others.
Leadership-Focused Demeanors
Seen in people who lead teams or influence others.
Assertive
Clear, direct, respectful control.
Authoritative
Strong presence, command, decisive.
Charismatic
Influential, inspiring, magnetic personality.
Supportive
Encouraging, empowering others.
Social or Communication Demeanors
Common in group work & public interaction.
Engaging
Interactive, draws people in.
Persuasive
Convincing, compelling communicator.
Diplomatic
Smooth, tactful, avoids conflict.
Collaborative
Team-oriented, cooperative.
References
Jargon
Engage, Interactive, Resilient, Level up, Personality test, Stress Test