Sex trafficking
Sex trafficking is human trafficking for the purpose of sexual exploitation, including sexual slavery. A victim is forced, in one of a variety of ways, into a situation of dependency on their trafficker(s) and then used by said trafficker(s) to give sexual services to customers. There are three types of activities defined as sex trafficking crimes: acquisition, transportation and exploitation; this includes child sex tourism (CST), domestic minor sex trafficking (DMST) or other kinds of commercial sexual exploitation of children, and prostitution. Sex trafficking is one of the biggest criminal businesses and it has been described as "the fastest growing criminal industry in the world."
Sex worker
There are many arguments against legalizing prostitution/sex work. In one study, women involved in sex work were interviewed and asked if they thought it should be made legal. They answered that they thought it should not, as it would put women at higher risk from violent customers if it were considered legitimate work, and they would not want their friends or family entering the sex industry to earn money. Another argument is that legalizing sex work would increase the demand for it, and women should not be treated as sexual merchandise. A study showed that in countries that have legalized prostitution, there was an increase in child prostitution. An argument against legalizing sex work is to keep children from being involved in this industry. The studies also showed that legalizing sex work lead to an increase in sex trafficking, which is another reason people give for making sex work illegal.