troubadour(n = noun.person) folk singer, jongleur, minstrel, poet-singer - a singer of folk songs;
is a kind of singer, vocaliser, vocalist, vocalizer
has particulars: guthrie, woodrow wilson guthrie, woody guthrie, pete seeger, peter seeger, seeger

   One of a school of poets who flourished from the eleventh to the thirteenth century, principally in Provence, in the south of France, and also in the north of Italy. They invented, and especially cultivated, a kind of lyrical poetry characterized by intricacy of meter and rhyme, and usually of a romantic, amatory strain. [1913 Webster]

troubadour, n.
1 any of a number of French medieval lyric poets composing and singing in Proven{ccedil}al in the 11th-13th c. on the theme of courtly love.
2 a singer or poet.

Etymology:
F f. Prov. trobador f. trobar find, invent, compose in verse

N  poetry, poetics, poesy, Muse, Calliope, tuneful Nine, Parnassus, Helicon, Pierides, Pierian spring, versification, rhyming, making verses, prosody, orthometry, poem, epic, epic poem, epopee, epopoea, ode, epode, idyl, lyric, eclogue, pastoral, bucolic, dithyramb, anacreontic, sonnet, roundelay, rondeau, rondo, madrigal, canzonet, cento, monody, elegy, amoebaeum, ghazal, palinode, dramatic poetry, lyric poetry, opera, posy, anthology, disjecta membra poetae song, ballad, lay, love song, drinking song, war song, sea song, lullaby, music, nursery rhymes, doggerel, Hudibrastic verse, prose run mad, macaronics, macaronic verse, leonine verse, runes, canto, stanza, distich, verse, line, couplet, triplet, quatrain, strophe, antistrophe, verse, rhyme, assonance, crambo, meter, measure, foot, numbers, strain, rhythm, accentuation, dactyl, spondee, trochee, anapest, hexameter, pentameter, Alexandrine, anacrusis, antispast, blank verse, ictus, elegiacs, elegiac verse, elegaic meter, elegaic poetry, poet, poet laureate, laureate, bard, lyrist, scald, skald, troubadour, trouvere, minstrel, minnesinger, meistersinger, improvisatore, versifier, sonneteer, rhymer, rhymist, rhymester, ballad monger, runer, poetaster, genus irritabile vatum, poetic, poetical, lyric, lyrical, tuneful, epic, dithyrambic, metrical, a catalectin, elegiac, iambic, trochaic, anapestic, amoebaeic, Melibean, skaldic, Ionic, Sapphic, Alcaic, Pindaric, a poem round and perfect as a star, Dichtung und Wahrheit, furor poeticus, his virtues formed the magic of his song, I do but sing because I must, I learnt life from the poets, licentia vatum, mutum est pictura poema, O for a muse of fire!, sweet food of sweetly uttered knowledge, the true poem is the poet's mind, Volk der Dichter und Denker, wisdom married to immortal verse.