国（guo）
Name meaning
国 (guo) means country, polity and shared public identity. In naming it reads as civic seriousness and public-minded responsibility, not private warmth.
Practical naming use
国 (guo) is a country-and-civic-identity character. It gives a name scale, duty and public weight, so the result feels responsible rather than intimate. It is especially useful for cultural depth, classical or literary reference, personality image, because the character can carry a recognizable Chinese image without becoming empty dictionary filler. The best results come when the second character adds human direction, warmth, restraint or breadth, so the full given name feels lived-in rather than generic.
Pair 国 (guo) with characters such as 安 (an), 宁 (ning), 文 (wen) or 平 (ping) so the second character makes the civic scale more wearable as a personal name. The full name should feel public-minded, not propagandistic.
国安 (Guoan): Guo contributes country, public identity; An adds peace, safety.
Historical / name-use references
曾国藩 (Zeng Guofan)
曾国藩 (zeng guo fan) Zeng Guofan was a major Qing statesman and military leader. His name directly contains 国 (guo), giving the character a strong public and historical reference.