South Korea language proof reader/listener, translator , interpreter

Looking for a South Korean proof listener, to verify the authenticity of the South Korean spoken language in assign video clips. He/She needs to identify presence of any non South Korean audio content in the video clips provided, along with time codes of such occurrences. A maximum of 2-5 such occurrences need to be identified in each clip of length 6-10 mins. Clips will be provided as links to YouTube videos along with start and end-time of the video clips to be listen proofed. Each clip could be of duration between 1 minute to 10 minutes. Output will be in the form of an excel sheet (template will be provided). The output file should capture the time codes of non South Korean words, if any, in each of the clips. e.g. for clip A, between 2 mins to 4mins, word 'bus' is used at 3mins and 5 secs. At comment column mention the word 'bus' and time code 00:03:05 and select the appropriate verification option Will prefer a native South Korean, and must have experience in customer service and language proficiency. Overall, between 10 to 11 hours of content need to be verified.