Peripatetic

Adjective meaning "walking about," (as many preachers are when they are preaching) or "itinerant." The word is derived from the Greek prefix peri, 'around,' and the verb pateein, 'to walk.' The adjective is also used for an Aristotelian because the philosopher is often said to have taught his students as they walked about the Lyceum at Athens; his philosophy is sometimes called peripateticism.