advocate
/ˈædvəkeɪt/
verb
advocateverb
/ˈædvəkeɪt/выступать за
to publicly support or argue for a cause or policy
  • Many scientists advocate for stronger action on climate change.
  • She has long advocated for better public transport in the city.
From the textThe Australian Koala Foundation is responding to this problem by advocating for a National Koala Act.