The fili, plural filid, filidh, was a member of an elite class of poets in Ireland, and later Scotland, up until the Renaissance. The filid were believed to have the power of divination, and therefore able to foresee, foretell, predict – important events.

In Celtic cultures, a bard is a professional story teller, verse-maker, music composer, oral historian and genealogist, employed by a patron to commemorate one or more of the patron's ancestors and to praise the patron's own activities.