rival
noun
a person who is competing for the same object or goal as another, or who tries to equal or outdo another; competitor.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They do not, for your oyster is ever humble even when tenanted with a rivalless pearl.
From Tropic Days by E. J. (Edmund James) Banfield