When you want to pester someone relentlessly or pursue them persistently, there are many ways to express it in English. Some common synonyms for "hound somebody" include "harass," "stalk," "chase," "hound," "nip at someone's heels," "harry," and "hound down." These words imply constant pursuit, annoyance, and bothering someone without giving them space. Some other words to describe this behavior include "follow," "shadow," "track," "tail," and "dog." It is important to note that while some of these synonyms may sound harsh, they are often used in a playful or teasing manner between friends and loved ones. However, if someone is actively avoiding you or telling you to stop, it is vital to respect their boundaries and cease the behavior immediately.