Is “Leader” a Scrabble word?
Yes
LEADER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Leader
/ˈlidɚ/
noun
1.Any person that leads or directs
2.An animal that leads
3.Someone or something that leads or conducts
Synonyms: conductor, guide