The expression "gat soapbox for" can be substituted with a range of synonyms that convey a similar meaning. One option is "gives a platform for," which implies that someone is providing an opportunity for others to speak or express their opinions. Another possibility is "offers a forum for," which suggests a more structured setting where multiple perspectives can be shared and debated. "Facilitates a voice for" is another synonym that emphasizes the empowering aspect of allowing people to have a say. Whatever the synonym used, the underlying message is one of enabling and empowering others to speak out.