self-confidence [noun]: an attitude about your skills and abilities
vote of confidence [idiom]: a statement or action that shows continuing support and approval for someone
assertive [adjective]: having or showing a confident and forceful personality
authentic [adjective]: not fake; genuine
flaw [noun]: a weakness or fault
build one’s confidence [idiom]: to increase one’s attitude gradually
capable [adjective]: having the ability, fitness, or quality necessary to do or achieve a specified thing
groom [verb]: prepare or train (someone) for a particular purpose or activity
show one’s value [idiom]: to show that you understand the importance of something/someone by not doing anything against it
hold one’s head up [idiom]: to be proud; to not feel ashamed
security blanket [noun]: something that provides someone with a feeling of safety and comfort when they are in a situation that worries them or makes them feel nervous
shot in the arm [idiom]: an encouraging thing; a boost
people pleaser [noun]: someone everyone considers helpful and kind
know one’s own mind [idiom]: to be sure of what one wants, likes, thinks, etc.
self-assured [adjective]: self-confident; sure of oneself