work through, address, grapple with, deal with

hate speech

serious, deep, heavy (topic), profound (change), weighty (matter)

seriousness

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

society (group of people sharing culture) / a class, a world of a certain group

becoming more serious

become more serious

social science

(informal) no problem