pillar

from pillar to post (British & Australian)

if someone goes from pillar to post, they are forced to keep moving from one place to another. After his mother died, Billy was passed from pillar to post and ended up in a children's home.

See also: from, post

a pillar/tower of strength

someone who gives a lot of support to someone else who is in a difficult situation. Roger was a tower of strength when my parents died.

See also: strength, tower

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a pillar of strength

someone who is emotionally very strong. Roger was a pillar of strength when my father died.

See also: strength