In a line of poetry, an iamb is a foot or beat consisting of an unstressed syllable followed by a stressed syllable, or a short syllable followed by a long syllable. For example, deLIGHT, the SUN, forLORN, one DAY, reLEASE.
Answer:
He plucked some mangoes up from the tree
A supporter or a helping jand
A reason or a cause to be admired.