hostage taker
noun /ˈhɒstɪdʒ teɪkə(r)/
/ˈhɑːstɪdʒ teɪkər/
- a person, often one of a group, who captures somebody and holds them prisoner, and who may injure or kill them if people do not do what the person or group is asking
- The hostage takers soon issued their demands.