rivaling

verb
  1. 1

    To oppose or compete with.

    โ€œto rival somebody in loveโ€

  2. 2

    To be equal to, or match, or to surpass another.

  3. 3

    To strive to equal or excel; to emulate.

Source: https://en.wiktionary.org/wiki/rival, https://en.wiktionary.org/wiki/rivaling