"This God-given young lady left and went to grab something and my mum was confused," the anonymous post read.
"When she came back she gave my mum $30 back and paid for the rest of their shopping including the stuff they had left behind."
"I just wanted to acknowledge this Samaritan for her kind heart and willingness to give.
"I'm beyond blessed for this lady as it touched my mum's heart, in tears telling me what had happened.
"I pray God fills up what has been emptied and continues to bless you and your family
"Just as we are making ends meet you pop up out of nowhere and give us the best gift of all."
This was sent in today by anonymous person:
So my mum, sister and kids went to shop at Ormiston Pak’n Save. They bought...
Posted by Samoa Ono ValuLima on Friday, 6 December 2019
Many have praised the "heartwarming" gesture, with one writing how nice all the staff are at the Ormiston store.
"I shop there oftenly and I must say the staff are incredibly friendly and polite. I applaud this young girl for her efforts and heart, God bless you," one person wrote.
"Wow it's so good to see things like this. How people can really help. You know we don't know what the other person is going through. But something little like this can really touch someone's heart," another said.
One wrote: "After reading so many sad posts about our beloved Samoa, it's nice to read a post like this! Kindness goes a long way. May God bless you in ten fold! Your parents must be very proud of you and knowing you possess such a rare quality to find!"