Boxer Ulrich Rodrigue Yombo failed to appear at the weigh-in on Wednesday for his quarter-final bout in the 81kg division against Harley O'Reilly, handing the Canadian the fight.
The 20-year-old Odunuga who is now guaranteed a bronze medal for making it to the semi-final, will now face Paige Murney of England on Friday.
"Everyone has a right to travel but they should go about it the right way", he said.
The first three left in the night on Sunday, he said, before two more were noticed missing on Monday and three more disappeared on Tuesday night.
He said the missing athletes were part of a team Whatsapp group, but only one of them got in touch because she had left behind her credit card and money.
Hamish Bond is one of New Zealand's great Olympians having won two golds, but he's never claimed a Commonwealth Games medal due to the simple fact rowing is not part of the Games. Police in Oz, as well as state officials in Cameroon, have been officially notified.
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He, however, stressed that Nepal wants relations based on "equality, justice and respect". Oli flew to New Delhi on Friday on a three-day state visit.
"We have officially informed our hierarchy back home: the ministry of sports and the president of the National Olympic Committee of Cameroon", he is quoted as saying.
The athletes have visas that expire on May 15 and the Commonwealth Games Federation has said that athletes have "the right to travel freely" on their visas while the Australian government has warned athletes against overstaying their visas.
Eight athletes from Cameroon's Commonwealth Games team have gone missing.
"It is obviously disappointing that some of the athletes who have come didn't compete when scheduled to compete", he said at a press conference Wednesday.
The safety and welfare of those athletes from the Team Cameroon perspective is being taken very, very seriously, but we are obviously monitoring that situation with Team Cameroon.
Out of the total team of 24 members, five boxers and three weightlifters have disappeared over the space of three days, the statement said.