It was not until 1974 that the first Taiwanese businessman settled there, and thereupon began a gradual increase in the Overseas Chinese (OC) population.James To Jiann Hua, "The Overseas Chinese in Tonga," The Tokyo Foundation. July 30, 2008. http://www.tokyofoundation.org/en/series/sylff/the-overseas-chinese-in-tonga.
OCPA stands for Overseas Chinese Physics Association. [...] The chartered goals of the organization are to promote physics research in general and to promote recognition of achievements by ethnic Chinese physicists in particular.Overseas Chinese Physics Association, About OCPA. 2007. http://www.ocpaweb.org/new/aboutus.html.
With China’s rising wealth being chronicled on a near-daily basis by the media, overseas Chinese can probably expected to be targeted more regularly, either by opportunist criminals abroad or by envious people on the mainland.Malcolm Moore, "Overseas Chinese become targets." The Telegraph. August 7, 2009. http://blogs.telegraph.co.uk/news/malcolmmoore/100005869/overseas-chinese-become-targets/