noun
plural -lars
[count] a large post that helps to hold up something (such as a roof)
someone who is an important member of a group - + of
a basic fact, idea, or principle of something - + of
something that rises into the air in a tall, thin shape
from pillar to post
chiefly Brit :from one place or one situation to another
pillar of strength
someone or something that gives support or help during difficult times