"They basically want us to let them go about the harpooning of more whales and there is no way that we could agree to that," said Vasic. "We want them to return our two members and then desist from killing whales in the sanctuary."
From aboard the Sea Shepherd vessel, Captain Paul Watson said in a statement, "Using hostages to make demands is the hallmark of terrorism and Sea Shepherd has no interest in negotiating with terrorist groups.
"The hostages must be released unconditionally," he added.
verb [I] FORMAL ━━ vi. 断念する, やめる ((from doing)).
to stop doing something, especially something that someone else does not want you to do:
The soldiers have been ordered to desist from firing their guns.
The high winds are expected to desist tomorrow.
━━ n. 聖所, 神殿, 寺院; （教会堂の）内陣; （法律の及ばない）聖域, 避難所, （教会の）罪人庇護権, 鳥獣保護区. break [violate] sanctuary 聖域を侵す.
seek [take] sanctuary （罪人などが）聖域に逃げ込む.