Diffidence and Timidity

noun

• Lack of self-confidence.
  • synonyms: self-doubt, self-distrust

• (n.) Distrust of one's self or one's own powers; lack of self-reliance; modesty; modest reserve; bashfulness.
• (n.) The state of being diffident; distrust; want of confidence; doubt of the power, ability or disposition of others.

noun

• Fear of the unknown or unfamiliar or fear of making decisions.
  • synonyms: timidness, timorousness
• Fearfulness in venturing into new and unknown places or activities.
  • synonyms: timorousness