Bangladesh, June 13 BRAC, one of the world's largest NGOs, has said it will strengthen advocacy activities on safeguarding its employees from sexual exploitation and abuse.A training programme on safeguarding employees and Protection from Sexual Exploitation and Abuse (PSEA) concluded at a hotel in Cox's Bazar on Sunday.About 160 trainees under different programmes of HCMP of BRAC participated in the four-day training, organized by HCMP of.