涉 shè to wade; to be involved; to concern
Made up of [氵 shuǐ water radical 85, 步 bù a step; a pace; walk ]Made with 10 strokes.
Combining water and step gives idea of 'wading' through water and from that the more general concept of 'intervening'.
Related characters
Also uses 氵 shuǐ component: 波 bō (wave) 法 fǎ (law) 港 gǎng (harbor) 海 hǎi (sea) 汗 hàn (perspiration) 汉 hàn (chinese) 河 hé (river) 洪 hóng (flood) 湖 hú (lake) 活 huó (to live) 济 jì (to cross a river) 江 jiāng (river) 津 jīn (ferry crossing) 酒 jiǔ (wine) 满 mǎn (to fill) 没 méi (have not) 泡 pào (bubble) 汽 qì (steam) 浅 qiǎn (shallow) 清 qīng (clear) 洗 xǐ (to wash) 演 yǎn (to develop) 渔 yú (fishing) 泽 zé (pool) 治 zhì (to rule) 洲 zhōu (region)