avicularian

Example:The newcomer is quite timid and often hesitates to speak up in meetings.

Definition:Inclined to shrink from danger or difficulty. Proceeding from or displaying fear; shy; diffident.

Example:A shy person usually avoids introducing themselves to others at parties.

Definition:Having a natural or acquired fear of people, avoiding social contacts.

Example:He was cautious about making any decisions without consulting with his colleagues.

Definition:Cautioning; exercising care; circumspect