The phrase "activist for a" is correct and usable in written English.
It can be used when describing someone who advocates for a specific cause or issue.
Example: "She is an activist for a sustainable environment, working tirelessly to promote eco-friendly practices."
Alternatives: "advocate for a" or "champion for a".
He slept on people's couches and stayed with one friend, a Columbia student and fellow trans activist, for a week.
Now we think a public-spirited person is somebody with passionate opinions about public matters, one who signs petitions and becomes an activist for a cause.
He was an activist for a free internet, not an activist in the political sense of trying to overthrow the government, says Trometer.
This self-described activist for a better world was more of a Reagan-era yuppie lawyer with an eye for the main chance.
Mr. Modi, 63, left his family home as a teenager, adopting the ascetic discipline of an activist for a Hindu nationalist organization.
Ms. Stasulli said that on the evening of Sept. 20, 2009, the day before Ms. Miller's drive to Canada, she hosted mother, daughter, and Linda Wall, another conservative activist, for a barbecue and a swim at her condominium.
Mr. Ojeda, 56, was a local activist for an opposition party, Democratic Action, and he was also a columnist for a small daily newspaper, El Clar? in La Victoria.
The controversy began last March at a gathering place for Denver activists for a variety of causes, the Human Bean coffee shop.
For the past week, Harris had been attending Shut Down Trump coalition meetings, and on Wednesday morning he joined two other activists for a leafletting push.
Ms. Georgieva is also in a strong position because there have been calls by some diplomats and many civil society activists for a woman to lead the United Nations.
Amid calls from lawmakers and activists for a more comprehensive database, the Guardian is recording extensive details of all deaths caused by US law enforcement in 2015.
