Benzaiten
Her Sanskrit name is "Sarasvatî Devî", which means "flowing water". This is why Benzaiten is the goddess of everything that flows: water, words, speech, and music. The characters used to write her name showed her as the goddess of eloquence. Because of the Sutra of Golden Light, in Japan she became a protector of the people. Lastly, she became one of the Seven Lucky Gods.