General terms:
* Imitate: This is the most common and general term for copying someone's actions.
* Emulate: This implies a desire to achieve the same level of skill or success as the person being copied.
* Mimic: This suggests a close or exact reproduction of someone's actions, often for humorous or satirical purposes.
* Copy: This is a straightforward term for making a replica of something, including actions.
More specific terms:
* Ape: This implies a less sophisticated or conscious form of imitation.
* Mirror: This describes a perfect reflection of someone's actions, almost as if they are being reflected in a mirror.
* Echo: This implies a delayed or repeated copying of someone's actions.
The best word to use will depend on the specific situation and the tone you want to convey.