Dating and romance scams often take place through online dating websites, but scammers may also use social media or email to make contact.
The shamed black activist, who now calls herself Nkechi Amare Diallo, outraged her young black audience in Johannesburg after equating her claim to being 'trans-black' with the trans-gender experience of Caitlyn Jenner.
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Ms Dolezal's arrival in South Africa comes at a time when the country is facing its most serious political and economic crisis since the end of apartheid in 1994.
The country remains deeply divided along racial lines and the arrival of a foreign white woman who claims a right to blackness has prompted shock and anger.