COPENHAGEN, Denmark—Denmark’s national soccer team will wear “human rights messages” on their training clothes at next year’s World Cup in Qatar. Denmark earned a spot in the tournament last month. In the wake of qualification, the Danish soccer federation said Wednesday it has launched a series of “critical initiatives.” Qatar has faced criticism amid reports of discriminatory laws and conditions for the migrant workers preparing the country for the tournament. The Danish soccer federation, known as DBU, said the two sponsors for the training outfits would refrain from exposure on the clothes and would instead carry “critical messages and markings.” The federation added it would also minimize the number of trips to Qatar for staff and partners so “participation in the World Cup finals is primarily about sporting participation and not promoting the World Cup organizers’ events.” “DBU has long been strongly critical of the World Cup in Qatar, but …