Solidarity Forever , written by Ralph Chaplin in 1915, is perhaps the most famous union anthem.
Definition of opinionist. plural. -s. 1 : one who holds an unusual or heretical belief or opinion : sectary. 2 : a person holding a specified opinion.
1 an aspect of something (as contrasted with some other implied aspect); he was on the heavy side; he is on the purchasing side of the business; it brought out his better side.  an opinion that is held in opposition to another in an argument or dispute; there are two sides to every question.