World Champion is a title that can be given to a contesting team/individual/organisation in a sport or other competitive endeavour. To become a "world champion" it is usual for the contestant to have entered, and won, a competition open to all eligible contestants from around the world. Competition is a rivalry between individuals groups nations or animals for territory or resources "The world " is a proper noun for the planet Earth envisioned from an Anthropocentric or Human Worldview, as a place
Other individuals or organisations can be described as 'world champion', but this is either simply a matter of recognition of their prowess or promotional hyperbole, without conferring any real status.
The existence of other similar competitions, administrated by other organisations, can give rise to confusion over which has the right to declare the world champion. The World Snooker Championship, currently held at the Crucible Theatre in the English city of Sheffield, is the climax of Snooker 's annual calendar and But this is usually resolved by adding a modifier to the title identifying the organisation awarding it.
Controversy can arise when a national competition results in the winner being awarded the title "World Champion", without any entrants from other countries. This can happen when the national competition operates on the assumption, sometimes mistaken, that there are no interested contestants of suitable quality in other countries. The national champion is therefore, by default, also the world champion. Parties in other countries can take exception to this and accuse the hosting national organisation of over-reaching themselves.
It is possible for anyone to become 'world champion' if the scope of the competition is narrow enough or lacks any publicity and interest world-wide. 'World champions' of this type are, however, usually treated either humorously, or with ridicule.