"Sleigher" can mean someone who rides or drives a sleigh, but it can also refer to someone who is skilled at something. Synonyms for the latter meaning could include "expert," "pro," "master," "wizard," "virtuoso," "maven," "ace," "guru," "savant," "whiz," "genius," "artist," "champion," "specialist," or "maestro." These words can describe someone who is highly proficient in a particular field or activity, such as music, sports, or cooking. Whether you're describing a sleigh driver or a talented individual, there are plenty of words to choose from that convey skill and expertise.