"We do not know anything about the size of injury, but the man is taken aboard MS Bremen and is receiving treatment at the infirmary there, while waiting for the helicopter to arrive on site", Rune Danielsen, rescue leader from HRS told Aftenposten.
"Polar Bear shot dead for being a wild animal in its own territory... outrageous!" another wrote.
"There are very strict rules here as the islands are visited by many polar bears in the summer, so we all need to be vigilant when we are ashore", a post by a guide on the company's website stated.
The World Wildlife Fund lists polar bears as a vulnerable species. "Customers need to start asking themselves if they feel good about a native bear being shot dead to enable their selfish intrusion into this attractive creature's home", wrote one upset poster.
The vessel specializes in expensive expedition tours in the Arctic regions, which is the highest classification for traffic in the ice-covered regions that a passenger ship can get.
Another ship employee shot the bear.
According to Hapag Lloyd Cruises, all of its cruise ships traveling in the region are obliged to have polar bear guards aboard.
All ships in the area are required to have guards to protect passengers from polar bears as they sightsee. His condition has not been made available, but the spokeswoman said he was "responsive". In 2015, Czech Jakub Moravec was pulled out of the tent by a polar bear, but escaped with slight damage.
"Let's get too close to a polar bear in its natural environment and then kill it if it gets too close".
"Polar bears are only observed from aboard ships, from a safe distance", the company says.
Five fatal polar bear attacks have been recorded on Svalbard in the last 40 years.
It is known for its reindeer, glaciers and remote terrain, as well as polar bears.