a. Inform non-Koreans about brilliant Korea, and the amazing things that have been, are being, and will be accomplished by Korea.
b. Help native Koreans understand how to adapt to a world outside Korea, which will be necessary in order for Korea to continue its ascent.
c. Point out how Korea's legal and social structure must evolve to match its economic development.
One bias amongst Koreans that has existed as a result of the oddest combination of animus and envy, combined with convenience, is Koreans' continual study of the Japanese language. This is a complete waste of time. The Seoul Gyopo Guide has suggested, almost begged, native Koreans to stop this. English is much more important, and you can make the case for Mandarin. The many reasons are summarized here.
The Seoul Gyopo Guide is meant for many things, and here are the most important.