What does paraph mean?

A paraph  is a flourish after a signature. It is usually  applied  as a precaution  against forgery.

What is Altruism

Altruism

In simple  words  altruism  is the practice to show concern  for the welfare of others. It is a selflessness attitude  of a human being. 

The opposite  of the word is selfishness. 

The word  altruism  is derived  from the Latin  word altrvi,  meaning "other people" or" somebody  else. "