The phrase "advocated tirelessly" is correct and usable in written English.
It can be used to describe someone who has persistently and energetically supported or promoted a cause or idea.
Example: "She advocated tirelessly for environmental protection, attending rallies and speaking at community events."
Alternatives: "championed relentlessly" or "promoted vigorously".
Throughout his career, Galvin made crucial investments in cellular and semiconductor R&D and advocated tirelessly for competitive telecom regulation and fair trade across the globe.
Since 2014, Dr. Ganmaa and her team has advocated tirelessly for multiple-micronutrient food-fortification in Mongolia, and was responsible for introducing a bill for mandatory industrial food fortification to the parliament which is now under legislative review.
He advocated tirelessly for fighting men and women; his final push, near the end of his life, was for the Army to use hyperbaric oxygen in the treatment of traumatic brain injuries.
Walgreen's reversal is a victory for the American people and a testament to the power of groups that advocated tirelessly against the proposed inversion, including Americans for Tax Fairness, Campaign for America's Future, and the United Food and Commercial Workers.
Throughout his career, Galvin made crucial investments in cellular R&D and advocated tirelessly for competitive telecom regulation across the globe, never wavering in his belief that cellular technology would revolutionize the way people communicated.
In his teaching, his academic writing, his frequent op-eds and essays, and his work with organizations like the Cato Institute, the Liberty Fund, the Institute for Humane Studies, and the Mont Pelerin Society, among others, Manne advocated tirelessly for a clearer understanding of the power of markets and competition and the importance of limited government and economically sensible regulation.
Wickwire was a social activist on campus and in the greater Baltimore community, advocating tirelessly for social justice and civil rights for all.
Sex workers have been organizing and advocating tirelessly for the decriminalization of sex work now widely recognized as the best way to protect sex workers' access to health and justice.
Sex workers have been organising and advocating tirelessly for the decriminalisation of sex work – now widely recognised as the best way to protect sex workers' access to health and justice.
He is able to go to school -- able, indeed, to live with his family, with people who love him, where every day of his life he defies medical prognosis -- only because Donna and her longtime companion, Jeff Dick, insist on it and expend their energy not just caring for him but advocating tirelessly for his right to live at home rather than in an institution.
Walker went on to found other businesses and advocate tirelessly for black rights and women's suffrage throughout her life.
