先輩

せんぱい

senior (at work or school), superior, elder, older graduate, progenitor, old-timer

先輩後輩

せんぱいこうはい

one's seniors and juniors

先輩ママ

せんぱいママ

(more) experienced mother

大先輩

だいせんぱい

someone who is greatly one's senior, veteran

先輩風を吹かす

せんぱいかぜをふかす せんぱいふうをふかす

to put on a patronizing air

人生の先輩

じんせいのせんぱい

older person with more life experience

歯先面

はさきめん

top land

機先を制する

きせんをせいする

to beat someone to the punch, to get the drop on (someone), to forestall

先を越す

さきをこす せんをこす

to take the initiative, to forestall, to beat to the punch

輩

ともがら ばら はい やから

party (of people), set (of people), clan, family, fellow

面を取る

めんをとる

to plane off the corners

面する

めんする

to face on, to look out on to

先手を取る

せんてをとる

to take the initiative

先頭を切る

せんとうをきる

to go first, to take the lead, to lead the way

面舵を取る

おもかじをとる

to steer to starboard

面を着ける

めんをつける

to put a mask on

面倒を見る

めんどうをみる

to care for someone, to look after someone

俗輩

ぞくはい

worldlings, the crowd

奴輩

どはい やつばら

guys, fellows