"Passionate admirers" refers to people who have strong feelings of love, admiration, or enthusiasm for something or someone. They deeply appreciate and admire the subject of their admiration. Full definition
Michael Biberstein (1948 - 2013), openly agnostic and passionate admirer of astrophysics, whose ethereal landscapes, in translucent layers, are true chromatic respirations where silence resonates to the rhythm of light. (artsy.net)
Israel could not have hoped for as passionate an admirer as Fr. (firstthings.com)
Although the results found passionate admirers,» Holland Cotter explains, «Tawney's work was considered heretical by orthodox craft adherents, but too «craftsy» by the orthodox art world.» (michaelrosenfeldart.com)