What is rain bjk sponsor?

As an AI language model, I do not have access to the latest information or updates regarding new sponsors of football clubs such as Besiktas (BJK). However, I can provide some general information about sponsorship in football.

Sponsorship is a form of marketing activity where a company or an individual provides financial or other support to a football club or player in exchange for promoting their brand or product. Sponsorship deals can include financial support, provision of sports equipment, clothing or gear, advertising rights or exposure, hospitality packages, or any other benefits to the sponsored party.

Sponsorship deals can vary in value depending on factors such as the size of the club, its fan base, the popularity of the league, the potential exposure and marketing opportunities, and the performance and reputation of the team or player.

Football clubs often seek sponsorship deals as a way to generate revenue and support their operations and financial goals. Sponsors, in turn, can benefit from the exposure and marketing opportunities that football clubs and players can provide, as well as the association with the club's values, success, and fan base.

Rain BJK Sponsor could potentially be a new sponsor of Besiktas football club, but there is currently no information available on this specific sponsorship deal.