Pregnant Meghan, who is expecting her first child with Harry this spring, is continuing to keep a busy schedule packed with royal engagements.
Her name is unknown, being kept secret for protection, yet she's identifiable by photos captured in Fiji when urgency meant she had to take action.
Her decision to quit follows the departure of the duchess's personal assistant, Melissa Touabti, who left the palace previous year after six months in the job.
Meghan's bodyguard, who is thought to hold the rank of inspector, had replaced Sgt Bill Renshaw, Harry's long-standing head of security.More news: Turkish, US foreign ministers discuss Syria on phone
While her private secretary, Samantha Cohen, is also expected to leave later this year after 17 years of working for the British Royals. It's a real shame as she was a great addition to the team and hugely liked.
Meghan Markle and Prince Harry reportedly did not attend Kate Middleton's birthday lunch last weekend. According to royal biographer Andrew Morton, Meghan is very into food: "He loves cooking, exploring new foods, and experimenting with fresh flavours".
Meghan's chief protection officer has never been named publicly, but she was pictured with Meghan in December.
Meghan and Harry have lost three royal aides in the last three months.More news: Eyeing 2020, Harris addresses prosecutorial past in memoir
"Unlike someone who has grown up in the Royal Family and has been used to having close protection from an early age, it can be constraining", says a source.
She had been in an overcrowded market which was deemed a safety threat.
'Even though she was a famous actress, she could still do what she wanted in the way of getting around freely. But colleagues said the bodyguard was "brilliant" and had earned the role on merit.
Kensington Palace did not immediately return Fox News' request for comment on the staffing changes.More news: Marcus Peters Smacked Amari Cooper in Face After Cowboys-Rams Game