noun
or loadstone ˈ ̷ ̷ˌ ̷ ̷
Etymology: lode, load + stone
1. : magnetite possessing polarity
2. : something that strongly attracts : magnet
was a scholastic lodestone himself, and students … flocked to his classes — T.S.Lovering
devotion to the law — the lodestone of his life — Newsweek