After Negan executed Abraham and Glenn in front of the other survivors, he instructed the Saviors to take Daryl hostage. Taking Daryl as an insurance policy, Negan informed Rick that he would comply with Negan's rules, or else his prisoner, Daryl, would suffer dire consequences.
A wise and theatrical personality, Ezekiel, often referred to as 'King Ezekiel," is the leader of the peaceful community known as The Kingdom. Flanked by his pet tiger Shiva at his side, Ezekiel has a reluctant truce with The Saviors, but makes sure to keep the security of his kingdom in tact.