"Fill one's predecessor's shoes" means to take on the responsibilities and duties of someone who held the same position before. It is an idiomatic expression that has several synonyms like taking up the mantle, picking up the baton, carrying on the legacy, stepping into someone's shoes, succeeding someone, and assuming the role. These words or phrases depict the act of following in the footsteps of someone who has gone before, usually in a professional or social context. Having synonyms makes it more accessible to use different words while maintaining the same meaning, and that's why understanding synonyms is essential to improving communication skills.
