Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

rakesh sharma (born 13 january 1949) is a retired squadron leader in the indian air force.
rakesh sharma

in 2013, esther peterson was inducted into the us department of labor's hall of honor.
esther peterson

the karlal (urdu کرڑال also known as kard'al, karaal, karhral, or kiraal) is a hindko speaking tribe in khyber-pakhtunkhwa, pakistan.

karlal