In the sentence "His hobby is writing poetry," the phrase "writing poetry" is a gerund phrase. A gerund phrase is verb+ ing which functions as a noun. In the sentence, the phrase "writing poetry" is a noun acting as a complement of the subject.
His hobby = writing poetry. This means "writing poetry" complements the subject "His hobby".
just. this means she does things based on what is morally right.
jubilant. this means she is often excited, rejoicing. overly happy.
joyful. this is similar to jubilant, but means less celebratory and more happy.
why these words could be used to describe jane goodall: wanting to observe and be around the chimpanzees not only to end curiosity, but help people learn more about them so that this knowledge could be used later when learning how to protect them could be considered just and morally right. being able to accomplish so much and just be around happy chimps and know that people support what she did could have made her rather jubilant and celebratory, especially when learning new things about chimps that others had not known before then. she seemed to be an overall happy person, especially around the animals, and people have never really described her as a miserable person to be around. this could make her joyful.
