touching vs human activity

touching and human activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
touching	Yes	Yes	No	No
human activity	Yes	No	No	No

As nouns, human activity is a hypernym of touching; that is, human activity is a word with a broader meaning than touching:

Other hypernyms of touching include act, deed, human action.

touching (noun)	human activity (noun)
the act of putting two things together with no space between them	something that people do or cause to happen
the event of something coming in contact with the body

touching (adjective)	human activity (adjective)
arousing affect