Explanation:
an individual ethical egoist would hold that all people should do what ever benefit " my" (the individual's) self interest, a personal ethical egoist would hold that they should at in their self interest, but would make no claims about what anyone else ought to do, are universal ethical egoist would argue that everyone.
There are two different types. Similes and metaphors
similes compare two things using the words like or as.
Metaphors compare two things without the use of the words like or as.