Odysseus is trying to guilt trip Eumaeus into letting him stay with him longer.
In poetry, 'free verse' is an open form of poetry, so there are no rhyming schemes, you can write whichever rhyme you want, and the meter (the accents and the number of syllables) is also random.
A 'haiku' is a short Japanese poem, consisting of 3 lines, where the first and last lines have 5 syllables, and the middle line 7.