To be confident – Confidence means feeling sure of yourself and your abilities — not in an arrogant way, but in a realistic, secure way. Confidence isn’t about feeling superior to others. It’s a quiet inner knowledge that you’re capable. Confident people: … feel ready for everyday challenges like tests, performances, and competitions.
To be considerate– Being considerate is being polite and caring. People like it when you’re considerate of their feelings. We could all probably be more considerate of others: this word means you’re thinking of other people — considering them — and then treating them decently and with respect.
To be impolite– rude, not polite.
To be uneducated– having received little or no education.
source: Cambridge Dictionary